| Halluin to Somma Lombardo | 435.62 mi (701.06 km) |
| Halluin to Somma Vesuviana | 872.88 mi (1,404.76 km) |
| Halluin to Sommacampagna | 514.68 mi (828.29 km) |
| Halluin to Sona | 512.41 mi (824.64 km) |
| Halluin to Sondrio | 443.56 mi (713.84 km) |
| Halluin to Sora | 800.69 mi (1,288.58 km) |
| Halluin to Sorbolo | 532.13 mi (856.38 km) |
| Halluin to Soresina | 490.48 mi (789.34 km) |
| Halluin to Sorisole | 459.86 mi (740.07 km) |
| Halluin to Sorrento | 885.01 mi (1,424.28 km) |
| Halluin to Sorso | 737.71 mi (1,187.22 km) |
| Halluin to Sortino | 1,108.53 mi (1,784.01 km) |
| Halluin to Soverato Marina | 1,061.03 mi (1,707.56 km) |
| Halluin to Sovicille | 642.86 mi (1,034.59 km) |
| Halluin to Spello | 701.17 mi (1,128.42 km) |
